Answers

2015-07-20T20:41:10+05:30
(i)Let the weight of the child be 'x' ,
So,the weight of the man is '4x' .
(ii)Let the weight of the child be 'y' ,
So,the weight of the man is '4y' .
Here,4x-4y=0 
3 1 3
2015-07-20T21:09:15+05:30

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Fathers weight is x
Sons weight is y
X=4 y
2 5 2
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